204042153 has 8 divisors (see below), whose sum is σ = 310921408. Its totient is φ = 116595504.

The previous prime is 204042127. The next prime is 204042203. The reversal of 204042153 is 351240402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204042153 - 2⁹ = 204041641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 9716293 = 204042153 / (2 + 0 + 4 + 0 + 4 + 2 + 1 + 5 + 3).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204041153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4858126 + ... + 4858167.

It is an arithmetic number, because the mean of its divisors is an integer number (38865176).

Almost surely, 2^204042153 is an apocalyptic number.

It is an amenable number.

204042153 is a deficient number, since it is larger than the sum of its proper divisors (106879255).

204042153 is an equidigital number, since it uses as much as digits as its factorization.

204042153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9716303.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 204042153 is about 14284.3324310239. The cubic root of 204042153 is about 588.7170754349.

Adding to 204042153 its reverse (351240402), we get a palindrome (555282555).

The spelling of 204042153 in words is "two hundred four million, forty-two thousand, one hundred fifty-three".